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W. 8v R. N. WRIGHTSON.

KNITTED FABRIC.

Patented Nov. 30, 1886.

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UNITED STATES PATENT OFFICE.

WILLIAM VRIGHTSON AND RGBERT N. VRIGHTSON, OF LIN WOOD, PA.

KNITTED FABRIC.

SPECIFICATION forming part 0f Letters Patent No. 353,652, dated November30, 1886.

Application filed August 18, 1885.

To @ZZ whom it may concern.:

Be it known that we, VILLIAM WRIGHT- soN and ROBERT N. WEIGHTsoN,citizens of the United States, and residents of Linwood, Delawarecounty,Pennsylvania, have invented certain Improvements in KnittedFabrics, of which the following is a specification.

Our invention relates to that class of knitted fabrics in which a heavysurface-thread, generally ofinferior material, is confined to a bodyfabric by means of a bindingthread; and our invention consists of afabric in which said surface-thread is bound to the body fabric in amore acceptable manner than usual.

In the accompanying drawings, Figure 1 is a rear View, on an exaggeratedscale, of a portion of a knitted fabric made in accordance with ourinvention; and Fig. 2, a rear view of a like piece of fabric made in theusual manner.

Our improved fabric (shown in Fig. 1) is similar to the wellknownstockinet fabric (shown in Fig. 2) in that it comprises a body ofordinary knitted fabric having on one face oating threads tied to thebody fabric at intervals by a third or binding thread; but our improvedfabric differs from the. ordinary stockinet fabric in tworespects-first, iu that the binding-threads are interlocked withalternate loops only of the holding courses of stitches of the bodyfabric instead of with each loop of said courses, as usual; and, second,in that each course of binding-thread engages with but one course ofloops of the body fabric instead of with two courses, as in the ordinaryfabric.

The body fabric consists of successive courses of interlocked loops a,and on one face of this fabric are the surface-threads b, which aregenerally of yarn of inferior quality to, and much heavier than, thatforming the body fabric, there being one row of such surface thread forevery course of stitches in the body fabric, as shown, or one for everytwo, three, or more courses of stitches in the body fabric, as thedesired character of the surface may suggest.

The binding-thread d serves to tie the surface-thread b to the bodyfabric. In our fabric (shown in Fig. l) the binding-thread passes roundthe surface-thread at the points l 2 43,

Serial No'. 174,681. (No specimens.)

8m., and forms a loop on every alternate needle, so that it is preventedfrom iioating with the surface-thread, and hence is not liable to be cutso as to release said surface-thread when the latter is subjected to theusual gigging or nishing operation. The distance apart of the tying-inpoints may be varied as desired.

It will be observed that the binding-threads in our improved fabric areinterlocked with alternate loops only of the holding-courses of stitchesof the body fabric, and that there is but one holding-course ofstitches, a, in said body fabric for each course of binding-threadY d,whereas in the ordinary fabric (shown in Fig. 2) the binding threads areinterlocked with cach of the loops of the holding-courses of stitches inthe body fabric, andy there are two holding-courses of stitches, a a',for each course of binding-threads el.

Where there is a course of surface-thread, b, for each course ofstitches in the body fabric, there is a further distinction between ourimproved fabric and the ordinary fabric, due to the fact that in thelatter the successive courses of bindingthread are interlooped with eachother, whereas in our fabric they are not. This, however, is adistinction which is not found when the ordinary fabric only has acourse of surface-thread, b, for every two or more courses of the bodyfabric.

In making our improved fabricaless amount of bindingthread is requiredthan usual, and said binding-thread is not prominent in the body fabric.Moreover, the surface-thread is not held so closely as usual, and henceproduces a fuller and better effect when subjected to a giggi'ng orfinishing operation.

As illustrating a machine upon which our improved knitted fabric may beproduced, we may refer to our application bearing even date herewith,Serial No. 174,682.

We claim as our inventionl 1. A knitted fabric in which a body composedof successive courses of interlocked loops is combined with asurface-thread tied to said body fabric by successive courses ofbinding-thread, each of which engages with the' loops of a single courseonly of the body fabric, all substantially as specified.

2. A knitted fabric in which a body com- IOO posed of successive coursesof interlooked loops is combined with a surface-thread tied to said bodyfabric by successive courses 'of binding-thread, each of which engageswith 5 the loops of a single course only of the body f fabric, thebinding-thread being interloeked with alternate loops only of saidholdingcourse of stitches of the body, all substantally as specified.

,ln testimony whereof We have signed our 1o 'names tothis specificationin the presence of two subscribing Witnesses.

' WILLIAM WRIGHTSON. ROBT. N. WRIGHTSON.

Witnesses:

WILLIAM F. DAVIs, A HARRY SMITH.

